//
//  NSDate+Extend.h
//  GroupBuy
//
//  Created by wwj on 15/11/16.
//  Copyright © 2015年 wwj. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSDate (Extend)
+ (NSDateComponents *)compareFrom:(NSDate *)from to:(NSDate *)to;

- (NSDateComponents *)compare:(NSDate *)other;
@end
